WO2013141571A1 - Dispositif d'affichage ayant des fonctions d'auto-nettoyage et de stérilisation - Google Patents

Dispositif d'affichage ayant des fonctions d'auto-nettoyage et de stérilisation Download PDF

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Publication number
WO2013141571A1
WO2013141571A1 PCT/KR2013/002242 KR2013002242W WO2013141571A1 WO 2013141571 A1 WO2013141571 A1 WO 2013141571A1 KR 2013002242 W KR2013002242 W KR 2013002242W WO 2013141571 A1 WO2013141571 A1 WO 2013141571A1
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WO
WIPO (PCT)
Prior art keywords
display device
self
led
cleaning
light
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Application number
PCT/KR2013/002242
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English (en)
Korean (ko)
Inventor
이성민
손영환
서대웅
Original Assignee
서울옵토디바이스주식회사
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Publication of WO2013141571A1 publication Critical patent/WO2013141571A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/088—Radiation using a photocatalyst or photosensitiser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultra-violet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/17—Hygienic or sanitary devices on telephone equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/17—Combination with washing or cleaning means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light

Definitions

  • the liquid crystal display which reflects this trend, is currently in the spotlight as a display device such as a monitor and a mobile communication terminal.
  • a mobile communication terminal has been developed into a multimedia device that can provide various additional services such as an electronic organizer function, a game function, a schedule management function, and the like.
  • various types of text input are also essential.
  • liquid crystal display device having a touch screen function
  • a user's hand frequently touches, and contaminates the surface of the liquid crystal display device with foreign matter, particularly sweat or other skin secretions, on the surface of the liquid crystal display device.
  • Degrading the various outputs of such a liquid crystal display device of contamination and wiping the soil with a hand or clothes may cause problems such as not only dirty hands or clothes, but also damage to the liquid crystal display device.
  • An object of the present invention is to provide a display device having a self-cleaning and sterilizing function for self-cleaning and sterilizing foreign substances on a surface by a user or the like.
  • the photocatalyst layer may be provided on at least an outer surface of the display area in contact with the user.
  • the LED may be to irradiate light of a wavelength of 200 to 400nm.
  • the display device may include a touch panel.
  • FIG. 3 is a conceptual diagram illustrating a display device having a self-cleaning and sterilizing function according to another exemplary embodiment of the present invention.
  • FIG. 4 is a conceptual diagram illustrating a mobile terminal having a display device having a self-cleaning and sterilizing function according to the present invention.
  • FIG. 1 is a conceptual diagram illustrating a display device having a self-cleaning and sterilizing function according to an exemplary embodiment of the present invention.
  • the display device 100 having a self-cleaning and sterilizing function includes a backlight unit 110, an LCD panel 120, a touch panel 130, and a photocatalyst layer ( 140).
  • the backlight unit 110 includes a reflecting plate 111, a light guide plate 112, a diffusion plate 113, a first prism 114, a second prism 115, a protective sheet 116, a brightness enhancement plate 117, and At least one LED module 118 may be included.
  • the reflector 111 may be made of a material capable of reflecting visible light, for example, white light and ultraviolet light emitted from the LED module 118.
  • the reflective plate 111 may include at least one of Ag, Al, Au, Cu, Pd, Pt, Rd, and alloys thereof.
  • the reflective plate 111 reflects visible light emitted from the LED module 118, for example, white light and ultraviolet rays, and reflects the light toward the LCD panel 120.
  • the light guide plate 112 may be formed of a flat plate having a size similar to that of the LCD panel 120 and made of a transparent material through which light is transmitted, for example, transparent acrylic.
  • the light guide plate 112 may serve to receive the light generated from the LED of the LED module 118 and to disperse the light over the entire upper surface thereof.
  • An upper surface of the light guide plate 112 is adjacent to the diffusion plate 113, and a lower surface of the light guide plate 112 is adjacent to the reflective film 111 so that the light is guided only to the upper surface of the light guide plate 112.
  • the expansion plate 113 may be positioned on an upper surface of the light guide plate 112.
  • the diffusion plate 113 may be provided in a flat plate shape having the same shape as the light guide plate 112.
  • the first prism 114 and the second prism 115 may be located on an upper surface of the diffusion plate 113.
  • the first prism 114 and the second prism 115 may serve to guide light from the diffusion plate 113 into a predetermined region of the LCD panel 120, particularly an image display region.
  • the first prism 114 may guide the light passing through the diffusion plate 113 in the horizontal direction, and the second prism 115 may serve to guide the longitudinal direction.
  • one of the first prism 114 and the second prism 115 may be omitted, or may include more prisms.
  • the protective sheet 116 may be positioned on the second prism 115.
  • the protective sheet 116 serves to protect the first prism 114 and the second prism 115 below.
  • the LED module 118 is provided at a position corresponding to the side surface of the light guide plate 112 and injects light in the side direction of the light guide plate 112.
  • the LED module 118 may be provided with at least two LEDs 118a and 118b mounted on the substrate 118a.
  • the substrate 118a may be an FPCB, an RF-4, an epoxy resin substrate, a ceramic substrate, or a substrate of various materials.
  • the substrate 118a may be a single layer or a multilayer substrate.
  • the substrate 118a may mount the LEDs 118b and 118c on one surface thereof, and may include heat sinks on the other surface or the other surface and side surfaces thereof to generate the LEDs 118b and 118c. It can be provided with a structure for dissipating heat.
  • At least one light source LED 118b of the LEDs 118b and 118c may be white light or an LED that emits visible light including blue, green, or red, and at least one infrared ray of the LEDs 118b and 118c.
  • the LED 118c may be an ultraviolet LED that emits ultraviolet light.
  • the light source LED 118b may emit white light by itself, or may be mixed with light emitted from another light source LED 118b to emit white light.
  • the LED module 118 includes a plurality of light source LEDs 118b and a plurality of ultraviolet LEDs 118c, wherein the light source LEDs 118b and the ultraviolet LEDs 118c are respectively spaced apart from each other on the substrate 118a.
  • the light source LED 118b and the ultraviolet LED 118c may not be arranged at regular intervals. That is, the LED module 118 regularly arranges the light source LEDs 118b and may be arranged in such a manner that the ultraviolet LEDs 118c are inserted between the light source LEDs 118b.
  • the LED module 118 is preferably provided with a number less than the number of the ultraviolet LED (118c) of the light source LED (118b).
  • the ultraviolet LED 118c may be made of LEDs emitting the same wavelength, or may be made of LEDs emitting ultraviolet rays of various wavelengths.
  • the ultraviolet LED 118c is an LED for irradiating light with a wavelength of 200 to 400 nm, for example, a near visible ultraviolet (NUV) LED for irradiating light of a wavelength of 375 nm, or a deep ultraviolet (DUV) for irradiating light of a wavelength of 280 nm. It can be made by including an LED.
  • NUV near visible ultraviolet
  • DUV deep ultraviolet
  • the LCD panel 120 may be located on the backlight unit 110.
  • the LCD panel 120 may be a device for changing visual information of an electrical signal by selectively transmitting light by a voltage or a current applied by applying a liquid crystal between two glass substrates and the glass substrate. That is, the LCD panel 120 may be a device for displaying an image by controlling a light source irradiated from the backlight unit 110.
  • the touch panel 130 may be provided on the LCD panel 120.
  • the touch panel 130 may be formed by any one of a resistive film type, a capacitive type, an infrared type, or an ultrasonic type.
  • the photocatalyst layer 140 may be provided on the touch panel 130. When the touch panel 130 is omitted, the photocatalyst layer 140 may be provided on the LCD panel 120.
  • the photocatalyst layer 140 may be provided on the outermost surface of the display device 100 having a self-cleaning and sterilizing function according to an embodiment of the present invention.
  • the photocatalyst layer 140 is TiO 2, ZnO, Nb 2 O 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe It may comprise at least one of two .
  • FIG. 2 is a conceptual diagram illustrating a display device having a self-cleaning and sterilizing function according to another exemplary embodiment of the present invention.
  • the display device 200 may omit the touch panel 230, and other components except for the diffusion plate 213 and the at least one LED module 218 of the backlight unit 210 may be omitted. It may be.
  • the reflector 211 may be made of a material capable of reflecting visible light, for example, white light and ultraviolet light emitted from the LED module 218.
  • the reflective plate 211 may include at least one of Ag, Al, Au, Cu, Pd, Pt, Rd, and alloys thereof.
  • the reflector 211 reflects visible light, for example, white light and ultraviolet light emitted from the LED module 218, and reflects the light toward the LCD panel 220.
  • the expansion plate 213 may be located on an upper surface of the reflection plate 211.
  • the diffusion plate 213 may be provided in a flat plate shape having the same shape as the reflective plate 211.
  • the diffusion plate 213 uniformly distributes the light emitted from the LED module 218 or the light reflected from the reflector 211.
  • the first prism 214 and the second prism 215 may be located on an upper surface of the diffusion plate 213.
  • the first prism 214 and the second prism 215 may serve to guide light from the diffusion plate 213 into a predetermined region of the LCD panel 220, particularly an image display region.
  • the first prism 214 may guide light passing through the diffusion plate 213 in the horizontal direction, and the second prism 215 may guide in the vertical direction.
  • one of the first prism 214 and the second prism 215 may be omitted, or may include more prisms.
  • the protective sheet 216 may be positioned on the second prism 215.
  • the protective sheet 216 serves to protect the first prism 214 and the second prism 215 below.
  • the brightness enhancement plate 217 improves the brightness of the display device by transmitting light parallel to its transmission axis and reflecting light perpendicular to its transmission axis.
  • the LED module 218 may be provided between the reflecting plate 211 and the diffusion plate 213 and injects light into the diffusion plate 213.
  • the LED module 218 may be provided with at least two LEDs 218a and 118b mounted on the substrate 218a.
  • the substrate 218a may be an FPCB, an RF-4, an epoxy resin substrate, a ceramic substrate, or a substrate made of various materials.
  • the substrate 218a may be a single layer or a multilayer substrate.
  • At least one light source LED 218b of the LEDs 218b and 218c may be white light or an LED emitting visible light including blue, green, or red, and at least one of the LEDs 218b and 218c may be ultraviolet rays. It may be an ultraviolet LED to emit light.
  • the light source LED 218b may emit white light by itself, or may be mixed with light emitted from another light source LED 218b to emit white light.
  • the ultraviolet LED 218c may be made of LEDs emitting the same wavelength, or may be made of LEDs emitting ultraviolet rays of various wavelengths.
  • the ultraviolet LED 218c may include an LED for irradiating light of a wavelength of 200 to 400 nm, for example, an NUV LED for irradiating light of a wavelength of 375 nm or a DUV LED for irradiating light of a wavelength of 280 nm.
  • the LCD panel 220 may be located on the backlight unit 210.
  • the LCD panel 220 may be a device for displaying an image by controlling a light source irradiated from the backlight unit 210.
  • the touch panel 230 may be formed by any one of a resistive film type, a capacitive type, an infrared type, or an ultrasonic type.
  • the photocatalyst layer 240 may be provided on the touch panel 230. When the touch panel 230 is omitted, the photocatalyst layer 240 may be provided on the LCD panel 220.
  • the photocatalyst layer 240 may be provided on the outermost surface of the display device 200 having a self-cleaning and sterilizing function according to another embodiment of the present invention.
  • the photocatalyst layer 240 is TiO 2, ZnO, Nb 2 O 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe It may comprise at least one of two .
  • the display device 200 having a self-cleaning and sterilizing function includes the ultraviolet light LED 218c as well as the light source LED 218b in the backlight unit 210, and the display device 200.
  • the photocatalyst layer 240 is disposed on the outermost surface of the N-thru, and only the light emitted by the ultraviolet LED 218c is included in the user's sweat or other skin secretions on the outermost surface of the display device 200.
  • the oil may be removed by reacting with the light emitted from the ultraviolet LED 218c and the photocatalyst of the photocatalyst layer 240 to provide a self-cleaning function.
  • the display panel 310 may be a plasma display panel (PDP) or an active-matrix organic light-emitting diode (AMOLED).
  • PDP plasma display panel
  • AMOLED active-matrix organic light-emitting diode
  • the display panel 310 may include an upper substrate 312 and a lower substrate 314, and may be formed by coupling the upper substrate 312 and the lower substrate 314.
  • the display panel 310 may be a device that changes visual information by itself through an electrical signal transmitted by a voltage or current applied from the outside. That is, the display panel 310 may be a device that displays an electrical signal input from the outside as an image.
  • the touch panel 320 may be formed by any one of a resistive film type, a capacitive type, an infrared type, or an ultrasonic type.
  • the photocatalyst layer 330 may be provided on the touch panel 320. When the touch panel 320 is omitted, the photocatalyst layer 330 is provided on the display panel 310, preferably on the upper substrate 312. Can be.
  • the photocatalyst layer 330 may be provided on the outermost surface of the display device 300 having a self-cleaning and sterilizing function according to another embodiment of the present invention.
  • the photocatalyst layer 330 is TiO 2, ZnO, Nb 2 O 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe It may comprise at least one of two .
  • the support member 340 may be provided with at least two ultraviolet LEDs 350 mounted on one surface thereof.
  • the support member 340 may be an FPCB, an RF-4, an epoxy resin substrate, a ceramic substrate, or a substrate of various materials, or may be a single layer or a multilayer substrate.
  • the support member 340 may mount the ultraviolet LEDs 350 on one surface thereof, and may include a heat sink on the other surface or the other surface and side surfaces thereof to generate the ultraviolet LEDs 350. It may have a structure for radiating heat.
  • the support member 340 may be provided at a position corresponding to the photocatalyst layer 330. That is, as shown in FIG. 3, when the photocatalyst layer 330 is provided on the surface of the touch panel 330, the panels 310 and 320 including at least the side surface of the touch panel 330 are included. It may be provided on the side of the. This is to allow the ultraviolet light emitted from the at least one ultraviolet LED 350 provided on one surface of the support member 340 to efficiently reach the photocatalyst layer 330.
  • the support member 340 may be provided with at least one, and may be provided on at least one side of the panels (310, 320).
  • the ultraviolet LEDs 350 may be made of LEDs emitting the same wavelength, or may be made of LEDs emitting ultraviolet rays of various wavelengths.
  • the ultraviolet LED 350 may include an LED emitting light having a wavelength of 200 to 400 nm, for example, an NUV LED emitting light having a wavelength of 375 nm or a DUV LED emitting light having a wavelength of 280 nm.
  • the display device 300 having the self-cleaning and sterilizing function supports the UV LEDs 350 mounted on the side of the panel such as the display panel 310 or the touch panel 320.
  • the photocatalyst layer 330 is provided on the outermost surface of the panel such as the display panel 310 or the touch panel 320, and the light is emitted only from the ultraviolet LED 350.
  • the oil contained in the user's sweat or other skin secretions on the outermost surface of the display device 300 is removed by reacting with the light emitted from the ultraviolet LED 350 and the photocatalyst of the photocatalyst layer 330 to self-clean. It can have a function.
  • FIG. 4 is a conceptual diagram illustrating a mobile terminal having a display device having a self-cleaning and sterilizing function according to the present invention.
  • FIG. 5 is a conceptual diagram of operating the self-cleaning and sterilizing function of the display device having the self-cleaning and sterilizing function shown in FIG. 4.
  • the display devices 100, 200, and 300 having self-cleaning and sterilization functions according to embodiments of the present invention may be used as display devices of mobile devices, particularly smart phones 400. Can be.
  • the display devices 100, 200, and 300 having the self-cleaning and sterilizing functions may be used as the display device of the smart phone 400, and the display device illustrated in FIG. 4 ( An exposed surface of the display area 100, 200, 300, that is, the display area may be the surface of the photocatalytic layer 140, 240, 330.
  • the smartphone 400 may include a case 410 for supporting the display devices 100, 200, and 300 having the self-cleaning and sterilizing functions.
  • the case 410 may have a power button 412, a volume control button 414, a menu button 416, and a self-cleaning and sterilizing function button 418 on its side or surface.
  • the smartphone 400 includes hardware devices 430 such as a memory device (not shown), a micro process (not shown), and the like through the display devices 100, 200, and 300. Information can be displayed.
  • hardware devices 430 such as a memory device (not shown), a micro process (not shown), and the like through the display devices 100, 200, and 300. Information can be displayed.
  • the producer who manufactures the smart phone 400 embeds a self-established function program 432 which is a program for controlling the ultraviolet LEDs 118c, 218c, and 350 in the memory device (not shown) of the smart phone 400.
  • a user may install a self-cleaning and sterilization application 422 that controls the ultraviolet LEDs 118c, 218c, 350.
  • the self-cleaning function and sterilization button 418, self-made function program 432 or self-cleaning and sterilization function application 422 is not used for a long time the smart phone 400 (for example, the user's bed time Or charging time).
  • the user operates the self-cleaning and sterilizing function button 418, installs and executes the self-cleaning and sterilizing function application 422, or executes the self-cleaning and sterilizing function program 432 to execute the self-cleaning and sterilizing function program 432.
  • the LEDs 118c, 218c, and 350 are operated to generate ultraviolet rays 440, and the emitted ultraviolet rays react with the photocatalysts of the photocatalytic layers 140, 240, and 330 to use the smart phone 400.
  • the user may remove sweat or other secretions from the surface of the display device 100, 200, or 300.

Abstract

La présente invention concerne un dispositif d'affichage présentant des fonctions d'autogestion. On décrit un dispositif d'affichage présentant des fonctions d'auto-nettoyage et de stérilisation. Le dispositif d'affichage, qui est muni d'une zone d'affichage, comprend une couche photocatalytique ménagée sur la zone d'affichage, et une ou plusieurs DEL qui projettent des rayons ultraviolets sur la couche photocatalytique.
PCT/KR2013/002242 2012-03-21 2013-03-19 Dispositif d'affichage ayant des fonctions d'auto-nettoyage et de stérilisation WO2013141571A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0028744 2012-03-21
KR1020120028744A KR20130106996A (ko) 2012-03-21 2012-03-21 자가세정 및 살균 기능이 있는 표시 장치

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Publication Number Publication Date
WO2013141571A1 true WO2013141571A1 (fr) 2013-09-26

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KR (1) KR20130106996A (fr)
WO (1) WO2013141571A1 (fr)

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WO2015113388A1 (fr) * 2014-01-28 2015-08-06 京东方科技集团股份有限公司 Module de rétroéclairage et dispositif d'affichage
TWI571323B (zh) * 2015-01-23 2017-02-21 趙洪誠 具清潔與殺菌功能的智能保護裝置
CN110187543A (zh) * 2019-06-27 2019-08-30 上海中航光电子有限公司 显示装置
CN113219717A (zh) * 2021-05-19 2021-08-06 天津智融创新科技发展有限公司 一种液晶显示面板及液晶显示设备
TWI737284B (zh) * 2020-04-30 2021-08-21 瑞軒科技股份有限公司 具紫外線消毒功能的顯示裝置及其控制方法
EP3703763A4 (fr) * 2017-10-30 2021-12-08 Hubbell Incorporated Dispositif rétroéclairé antimicrobien

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TWI571323B (zh) * 2015-01-23 2017-02-21 趙洪誠 具清潔與殺菌功能的智能保護裝置
EP3703763A4 (fr) * 2017-10-30 2021-12-08 Hubbell Incorporated Dispositif rétroéclairé antimicrobien
CN110187543A (zh) * 2019-06-27 2019-08-30 上海中航光电子有限公司 显示装置
TWI737284B (zh) * 2020-04-30 2021-08-21 瑞軒科技股份有限公司 具紫外線消毒功能的顯示裝置及其控制方法
CN113589586A (zh) * 2020-04-30 2021-11-02 苏州乐轩科技有限公司 具紫外线消毒功能的显示装置及其控制方法
CN113219717A (zh) * 2021-05-19 2021-08-06 天津智融创新科技发展有限公司 一种液晶显示面板及液晶显示设备

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